Carefully study the project, although the scams today on so many competent some things do that people are free to invest money, and then they all throw, you need to here eye after eye,and of course if you do bunty 50 or more companies 100% will Scam projects, as all study will not work for you,and if you are an investor, look at what about this project say professionals that write about it, its rating, the team and all that you can, and then just invest